1 files changed, 142 insertions, 0 deletions

diff --git a/drivers/leds/leds-wrap.c b/drivers/leds/leds-wrap.c
new file mode 100644
index 000000000000..27fb2d8e991f
--- /dev/null
+++ b/drivers/leds/leds-wrap.c
@@ -0,0 +1,142 @@
+/*
+ * LEDs driver for PCEngines WRAP
+ *
+ * Copyright (C) 2006 Kristian Kielhofner <kris@krisk.org>
+ *
+ * Based on leds-net48xx.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/err.h>
+#include <asm/io.h>
+#include <linux/scx200_gpio.h>
+
+#define DRVNAME "wrap-led"
+#define WRAP_ERROR_LED_GPIO     3
+#define WRAP_EXTRA_LED_GPIO     18
+
+static struct platform_device *pdev;
+
+static void wrap_error_led_set(struct led_classdev *led_cdev,
+                enum led_brightness value)
+{
+        if (value)
+                scx200_gpio_set_low(WRAP_ERROR_LED_GPIO);
+        else
+                scx200_gpio_set_high(WRAP_ERROR_LED_GPIO);
+}
+
+static void wrap_extra_led_set(struct led_classdev *led_cdev,
+                enum led_brightness value)
+{
+        if (value)
+                scx200_gpio_set_low(WRAP_EXTRA_LED_GPIO);
+        else
+                scx200_gpio_set_high(WRAP_EXTRA_LED_GPIO);
+}
+
+static struct led_classdev wrap_error_led = {
+        .name           = "wrap:error",
+        .brightness_set = wrap_error_led_set,
+};
+
+static struct led_classdev wrap_extra_led = {
+        .name           = "wrap:extra",
+        .brightness_set = wrap_extra_led_set,
+};
+
+#ifdef CONFIG_PM
+static int wrap_led_suspend(struct platform_device *dev,
+                pm_message_t state)
+{
+        led_classdev_suspend(&wrap_error_led);
+        led_classdev_suspend(&wrap_extra_led);
+        return 0;
+}
+
+static int wrap_led_resume(struct platform_device *dev)
+{
+        led_classdev_resume(&wrap_error_led);
+        led_classdev_resume(&wrap_extra_led);
+        return 0;
+}
+#else
+#define wrap_led_suspend NULL
+#define wrap_led_resume NULL
+#endif
+
+static int wrap_led_probe(struct platform_device *pdev)
+{
+        int ret;
+
+        ret = led_classdev_register(&pdev->dev, &wrap_error_led);
+        if (ret == 0) {
+                ret = led_classdev_register(&pdev->dev, &wrap_extra_led);
+                if (ret < 0)
+                        led_classdev_unregister(&wrap_error_led);
+        }
+        return ret;
+}
+
+static int wrap_led_remove(struct platform_device *pdev)
+{
+        led_classdev_unregister(&wrap_error_led);
+        led_classdev_unregister(&wrap_extra_led);
+        return 0;
+}
+
+static struct platform_driver wrap_led_driver = {
+        .probe          = wrap_led_probe,
+        .remove         = wrap_led_remove,
+        .suspend        = wrap_led_suspend,
+        .resume         = wrap_led_resume,
+        .driver         = {
+                .name           = DRVNAME,
+                .owner          = THIS_MODULE,
+        },
+};
+
+static int __init wrap_led_init(void)
+{
+        int ret;
+
+        if (!scx200_gpio_present()) {
+                ret = -ENODEV;
+                goto out;
+        }
+
+        ret = platform_driver_register(&wrap_led_driver);
+        if (ret < 0)
+                goto out;
+
+        pdev = platform_device_register_simple(DRVNAME, -1, NULL, 0);
+        if (IS_ERR(pdev)) {
+                ret = PTR_ERR(pdev);
+                platform_driver_unregister(&wrap_led_driver);
+                goto out;
+        }
+
+out:
+        return ret;
+}
+
+static void __exit wrap_led_exit(void)
+{
+        platform_device_unregister(pdev);
+        platform_driver_unregister(&wrap_led_driver);
+}
+
+module_init(wrap_led_init);
+module_exit(wrap_led_exit);
+
+MODULE_AUTHOR("Kristian Kielhofner <kris@krisk.org>");
+MODULE_DESCRIPTION("PCEngines WRAP LED driver");
+MODULE_LICENSE("GPL");
+